/*整个容器*/
.container {
	width: 100%
}
/*头部*/
.top-content {
	width: 100%;
	display: flex;
	flex-direction: column;
	background: #1B1E24;
}

/*头部logo和导航部分*/
header {
	width: 1200px;
	height: 50px;
	line-height: 50px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
header>a {
	display: flex;
}
header ul {
	display: flex;
	justify-content: space-between;
}
header ul a {
	color: #fff;
	border-right: 1px solid #fff;
	font: 400 14px 'MicrosoftYaHei';
	padding: 0 20px
}